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Suppose you throw a 0.058-kg ball with a speed of 10.9 m/s and at an angle of 30.9° above the horizontal from a building 10.8 m high.
(a) What will be its kinetic energy when it hits the ground?
(b) What will be its speed when it hits the ground?
An archer shoots an arrow horizontally at a target 15m away. What was the initial speed of the arrow
puck 1 of mass m1 = 0.30 kg is sent sliding across a frictionless lab bench, to undergo a one-dimensional elastic collision with stationary puck 2. What is the mass of puck 2
q1. after being accelerated to a speed of 1.7times10 5 ms the particle enters a uniform magnetic field of strength 1.00
A person pushes a 13.6-kg shopping cart at a constant velocity for a distance of 33.1 m on a flat horizontal surface. find the magnitude of the force that the shopper exerts
Assume that we suddenly discovered that all these years we would be wrong about the distance from Earth to the Sun, and it is actually 10 percent greater than we would think. How would that affect our approximation of the distance to the Andromeda..
When the density of the string is changed, say increased, what is the effect on the frequency required to obtain a given number of loops
A 1500 kg car is headed directly for a brick wall when the driver realizes the danger and slams on the brakes. The car's initial speed is 32 m/s, Determine how far the car travels while skidding to a stop
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75 km/hr. The child is 0.560 km from shore and 0.750 km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximu..
Find out the magnitude of the truck's vertical component of displacement, answer in units of meters.
An ion source is producing 6Li ions, which have mass 9.99 x10-27 kg and charge +e. The ions are accelerated by a potential difference of 30 kV and pass horizontally into the region in which there is a uniform vertical magnetic field of magnitude B..
q1. the breaking stress for a wire of radius r of given material is f nms square. afterwards find the breaking stress
A playground merry-go-round of radius R = 1.20 m has a moment of inertia I = 265 kg · m2, What is the new angular speed of the merry-go-round
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